105311530231 has 2 divisors, whose sum is σ = 105311530232. Its totient is φ = 105311530230.

The previous prime is 105311530199. The next prime is 105311530253. The reversal of 105311530231 is 132035113501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105311530231 - 2⁵ = 105311530199 is a prime.

It is a super-2 number, since 2×105311530231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105311530196 and 105311530205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105311530271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52655765115 + 52655765116.

It is an arithmetic number, because the mean of its divisors is an integer number (52655765116).

Almost surely, 2^105311530231 is an apocalyptic number.

105311530231 is a deficient number, since it is larger than the sum of its proper divisors (1).

105311530231 is an equidigital number, since it uses as much as digits as its factorization.

105311530231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1350, while the sum is 25.

Adding to 105311530231 its reverse (132035113501), we get a palindrome (237346643732).

The spelling of 105311530231 in words is "one hundred five billion, three hundred eleven million, five hundred thirty thousand, two hundred thirty-one".